package com.lagou.intercept;

import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class MyIntercepter2 implements HandlerInterceptor {

    /*
        preHandle 执行器执行之前进行拦截 return false:不放行
     */
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        System.out.println("preHandle2...");
        return true;
    }

    /*
        postHandle：在目标方法执行之后 视图对象返回之前 执行的方法
     */
    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {
        System.out.println("postHandle2...");
    }

    /*
        afterCompletion:在流程都执行完后，执行的方法
     */
    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
        System.out.println("afterCompletion2...");
    }
}
